Two big rams bolted from the steel trailer, took a few hesitant steps and glanced around nervously at their new home: dramatic mountains in west Texas more than 200 miles from where they grew up.

Peninsular bighorn sheep can get ... both in critical sheep habitat. We're working to curb off-road vehicle impacts in the Yuha Desert and other border areas that provide a link to bighorns in Mexico.

A tweet from one of Heinrich’s two accounts on X, formerly known as Twitter, said “elk were extinct in New Mexico” just a little over a century ago.

Peninsular bighorn sheep can get ... both in critical sheep habitat. We're working to curb off-road vehicle impacts in the Yuha Desert and other border areas that provide a link to bighorns in Mexico.